Project description
Add Signal-Application-SDK as a dependency to requirements.txt
signal-application-python-sdk==<latest>
Install dependencies
python setup.py install
Entry point for Signal Application SDK
- Creates a bi-directional communication between device shadow and application
Initialize SDK
self.app = SignalApp()
self.app.initialize(self.onConfigChange, self.onEvent)
Provide a callback method to get notified when a configuration change is requested
def onConfigChange(self, config):
- Will be triggered when a new configuration change requested from the cloud
Provide a callback method to get notified when an event is received from event bus
def onEvent(self, event):
- Will be triggered when a new event received from application’s subscribed topic
Call next to forward the event to the next node (application), if next_app_id(optional) is specified, it forwards the event to the specified application
self.app.next(event: object, next_app_id)
Call next to forward the event to the next node running on node-red.
self.app.nextNode(event: object)
Call reportConfigurationChange to report when configuration change is applied
self.app.reportConfigurationChange(config: object)
Sample usage
Consider adding these two params to the application detail
config object will be reveived as below
{
message: 'some text message',
param2: 101
}
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